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OLC
The OLC circular sound-attenuating overflow units are designed to reduce noise transmitted between rooms and for installation directly into a wall. The OLC crosstalk silencers consist of two sound-absorbing partitions, which are located opposite each other on both sides of the wall. As an accessory, a perforated middle part OLCZ can be supplied, which can be built into a wall with a thickness of max. 150 mm.
